- Date
- December 18, 1966
- Place
- Wyola, MT · WYOLA, MT
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Uncontrolled descent
- Aircraft
- N2183UBrantly B-2B
- Status
- Completed · report June 1, 1967
- Report
- Brief approved by the director
- Case key
- 120090
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
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NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 2-1074 66/12/18 NR.WYOLA MONT BRANTLY B-2B CR- 0 0 1 NONCOMMERCIAL PRIVATE, AGE 37, 1100 TIME - 1615 N2183U PX- 0 0 1 BUSINESS TOTAL HOURS, 350 IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED. TYPE OF ACCIDENT PHASE OF OPERATION COLLISION WITH GROUND/WATER: UNCONTROLLED IN FLIGHT: UNCONTROLLED DESCENT PROBABLE CAUSE(S) PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M. FACTOR(S) WEATHER - UNFAVORABLE WIND CONDITIONS WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED SKY CONDITION CEILING AT ACCIDENT SITE CLEAR UNLIMITED VISIBILITY AT ACCIDENT SITE PRECIPITATION AT ACCIDENT SITE 5 OR OVER(UNLIMITED) NONE OBSTRUCTIONS TO VISION AT ACCIDENT SITE TEMPERATURE-F NONE 50 WIND DIRECTION-DEGREES WIND VELOCITY-KNOTS 270 5 TYPE OF WEATHER CONDITIONS TYPE OF FLIGHT PLAN VFR NONE REMARKS- DURING LOW HOVER OVER SLOPING TERRAIN WIND SUDDENLY DIMINISHED AND ACFT DROPPED TO GROUND.
Aircraft
- Registration
- N2183U
- Reported as
- Brantly B-2B
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
N2183URegistration cancelled Apr 7, 2017 · Brantly B-2BAirframe modelBrantly B-2BEngine modelLycoming O&VO-360 series
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Other investigations on N2183U · 3
Matched to the same aircraft by N-number and date.
NTSB ATL06LA059Accident · Serious injuriesLimited investigationFinal reportCullman, ALThe pilot's failure to maintain a visual look out while maneuvering resulting in an in-flight collision with wires and the ground. A factor in the accident was the pilot's lack of recent experience in rotorcraft operations.NTSB ANC79DAG78Accident · No injuriesClosedWasilla, AKNTSB CHI77FEE40Accident · No injuriesClosedRingwood, IL